`test_binary_with_various_inputs` failure

[jpds]

tailspin currently fails to build on NixOS unstable with the following error:

tailspin> test test_binary_with_various_inputs ... FAILED
tailspin>
tailspin> failures:
tailspin>
tailspin> ---- test_binary_with_various_inputs stdout ----
tailspin> thread 'test_binary_with_various_inputs' panicked at tests/utils.rs:19:10:
tailspin> Failed to spawn child process: Os { code: 2, kind: NotFound, message: "No such file or directory" }
tailspin> note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
tailspin>
tailspin>
tailspin> failures:
tailspin>     test_binary_with_various_inputs
tailspin>
tailspin> test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 201.65s
tailspin>
tailspin> error: test failed, to rerun pass `--test integration_tests`

nixpkgs CI job with this can also be found at: https://hydra.nixos.org/build/276702946

[jpds]

Nevermind, I took a look at the relevant code and it's a Nix-specific issue.

[SebastianBalle]

Did you find a relevant Nix issue? I can't seem to find one tracking this issue.

[jpds]

I've already fixed it in NixOS/nixpkgs#353457